api:dk11:delphi:gislayervector.gisispointinsidepolygon_tgis_point_tgis_shapepolygon_integer
Table of Contents
GisIsPointInsidePolygon(TGIS_Point; TGIS_ShapePolygon; Integer) method
DK11 for Delphi | GisLayerVector.GisIsPointInsidePolygon | Overloads | Methods | Classes | Prototypes
Test if a given point is inside a given polygon.
Syntax
// Delphi function GisIsPointInsidePolygon( const _ptg : TGIS_Point; const _shape : TGIS_ShapePolygon; const _part : Integer ) : Boolean; overload;
// C++ Builder extern DELPHI_PACKAGE bool GisIsPointInsidePolygon( TGIS_Point* const _ptg, TGIS_ShapePolygon* const _shape, const int _part ) /* overload */;
Parameters
| Name | Type | Description |
|---|---|---|
| _ptg | TGIS_Point | point to test |
| _shape | TGIS_ShapePolygon | polygon to test |
| _part | Integer | if >= 0 then calculation done only for selected part ; |
Result
| Type | Description |
|---|---|
| Boolean | True if relation is true. |
Remarks
See GisIsPointInsideExtent for example.
2020/05/06 01:10